Home / 98,034.45-135,276.43-55,008.32

Finding the Fourth Proportional to 98,034.45, 135,276.43 and 55,008.32

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Solution

The fourth proportional to 98,034.45, 135,276.43 and 55,008.32 is: 75,905.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,034.45 : 135,276.43 = 55,008.32 : x
  2. Step 2: Convert to fraction form
    98,034.45/135,276.43 = 55,008.32/x
  3. Step 3: Cross multiply
    98,034.45x = 135,276.43 × 55,008.32
  4. Step 4: Simplify right side
    98,034.45x = 7,441,328,439.14
  5. Step 5: Solve for x
    x = 7,441,328,439.14/98,034.45
  6. Step 6: Final answer
    x = 75,905.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.